TEA6842H Ver la hoja de datos (PDF) - Philips Electronics
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TEA6842H Datasheet PDF : 66 Pages
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Philips Semiconductors
New In Car Entertainment (NICE)
extended car radio
Product specification
TEA6842H
SYMBOL
PARAMETER
CONDITIONS
Reference frequency for car signal processor IC; note 2
REFERENCE FREQUENCY DIVIDER
Nref
crystal oscillator
divider ratio
fref
reference frequency at fosc = 20.5 MHz
pin FREF
VOLTAGE GENERATOR: PIN FREF
Vo(p-p)
AC output voltage
(peak-to-peak value)
VO
Ro
RL(min)
DC output voltage
output resistance
minimum load
resistance for first
I2C-bus address
RL = ∞
AM signal channel
RF AGC STAGE INPUTS
Pins AMMIX1IN1 and AMMIX1IN2
Vi(RF)
RF input voltage for
AGC start level
data byte 5: bit 5 = 0, bit 6 = 0
data byte 5: bit 5 = 1, bit 6 = 0
data byte 5: bit 5 = 0, bit 6 = 1
data byte 5: bit 5 = 1, bit 6 = 1
Pin AMIF2IN
Vi(IF2)
IF2 input voltage
PIN diode drive: pin IAMAGC
Isink(max)
maximum AGC sink
current
Isink
AGC sink current
Ro
output resistance
Co
AM AGC current
generator output
capacitance
AGC start level
Vo = 2.8 V
FM mode
Io = 1 µA
AM AGC TRANSCONDUCTANCE BUFFER: PIN AMAGCBUF; note 3
gm(buf)
Isink(max)
Isource(max)
buffer
transconductance
maximum sink current
maximum source
current
AM mode;
1 V < VT1AMAGC < 4 V
open-collector; AM mode;
VT1AMAGC = 4 V
AM mode; VT1AMAGC < 1 V
Vo(n)
buffer output noise
voltage
AM mode;
VDDA1 − VAMAGCBUF = 1 V;
B = 400 Hz to 20 kHz
MIN.
TYP.
−
272
−
75.368
80
130
3.2
3.4
−
−
1
−
−
375
−
500
−
625
−
750
280
380
11
15
1
−
1
−
−
5
150
166
450
500
−
−
−
10
MAX. UNIT
−
−
kHz
200
mV
3.7
V
50
kΩ
−
MΩ
−
mV
−
mV
−
mV
−
mV
500
mV
19
mA
−
mA
−
MΩ
7
pF
185
µS
560
µA
−30
µA
15
µV
2003 Dec 19
16
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